sine qua non
Portuguese, noun/ˈsĩ.ni kwa ˈnõ/
sine qua non is spelled S-I-N-E-Q-U-A-N-O-N (10 letters). Sine qua non is a Portuguese masculine noun meaning “sine qua non (an indispensable condition)” (English Wiktionary, September 2026).
What does sine qua non mean in English?
adjective
- 1
femininemasculineindispensable
condição sine qua non
noun
- 1
masculineproscribedsine qua non (an indispensable condition)
A capacidade de reprodução da mensagem é um sine qua non da linguagem.
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
phrase: 1. essencial, indispensável
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of sine qua non
- sine quibus non error-unknown-tag plural
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce sine qua non?
- Brazil /ˈsĩ.ni kwa ˈnõ/
- Portugal /si.nɛ kwa ˈnɔn/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.